CATO Networks

MAY 23, 2024

On May 6 th , 2024, researchers from the Leviathan Security Group published an article detailing a technique to bypass most VPN applications, assigned as CVE-2024-3661 with a High CVSS score of 7.6. The attack requires introducing a rogue DHCP server to the local network.

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CATO Networks

MARCH 15, 2020

The most common enterprise remote access technology is Virtual Private Networking (VPN). A VPN client is installed on the users devices laptops, smartphones, tablets to connect over the Internet to a server in the headquarters. However, VPNs were built to enable short duration connectivity for a small subset of the users.

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CATO Networks

NOVEMBER 24, 2020

Once Upon a VPN … In todays challenging reality, remote access has become a basic requirement for businesses of all kinds, sizes, and locations. Is VPN still relevant? Over two decades ago VPN was the technology for providing secure remote access to the Internet. Yet, VPN fails to address these capabilities.

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4sysops

JANUARY 7, 2025

Routing and Remote Access Service (RRAS) provides secure remote connectivity and network management on Windows Server. With support for modern VPN protocols like SSTP and IKEv2, RRAS ensures encrypted connections, reliable routing, and seamless access to internal resources, making it ideal for hybrid and remote work environments.

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Packet Pushers

NOVEMBER 16, 2020

Many companies use VPNs to protect their distributed workforce. But VPNs present their own security challenges, from compromised clients to insecure VPN servers. Many companies use VPNs to protect their distributed workforce. Many companies use VPNs to protect their distributed workforce.

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Akins IT

FEBRUARY 25, 2016

A VPN is a Virtual Private Network. The same technology can be used by consumers to bridge their phones and laptops to their home network so, while on the road, they can securely access files from their media server or desktop computers. Why use a VPN? What is a Virtual Private Network? Do You Need Secure Casual Browsing?

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4sysops

FEBRUARY 24, 2025

Does it mean a machine with two interface cards is perimetr router, VPN server even firewall running on Windows server? Or Windows server with RRAS stands next to some common perimetr firewall and it is an addition to it? They are built on Linux or at least BSD. I have never met Windows in such position.

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CATO Networks

APRIL 26, 2021

One prominent alternative is Secure Access Service Edge (SASE) platforms with embedded Zero Trust Network Access (ZTNA) that alleviate the security dangers and other disadvantages of VPN. VPNs Put Remote Access Security at High Risk In general, VPNs provide minimal security with traffic encryption and simple user authentication.

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Network Engineering

AUGUST 19, 2020

WAN > OPNsense (in ESXi)> switch (C3560G) OPNsense is DHCP server Thing is that i would like the switch to deal with the DHCP, to avoid being naked when ESXi needs maintenance. Also need to setup a VPN on OPNsense but will that be possible if 3560 is acting as the DHCP server? dns-server 10.0.0.2 255.255.255.0

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CATO Networks

DECEMBER 3, 2019

However, there has been a lot of confusion around what VPNs can and cannot do. That confusion has led many technologists to choose a VPN solution that may not be well suited for their particular environment. However, that confusion can be quickly eliminated with a little bit of education, especially when it comes to VPN Tunnels.

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CATO Networks

APRIL 2, 2018

The company depended on local Active Directory (AD) servers at the locations for managing permissions to applications and other corporate resources. Yet for AD to work, the servers had to replicate their data between one another. But neither Internet-based VPN nor MPLS were suitable for connecting all locations.

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CATO Networks

MAY 12, 2020

Current solutions, such as Virtual Private Network (VPN) servers, provide connectivity for some users, some of the time. But VPN servers cant support all the users, all the time which is exactly whats needed to continue your business during a global crisis. And 28% reported a growth of at least 200%.

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CATO Networks

MARCH 7, 2023

Have it the Old Way or Enjoy the SASE Way | Download the White Paper More specifically, legacy VPNs suffer from five key problems: Scaling and capacity Issues. VPN servers have a limited amount of capacity, as more users connect, performance degrades, and the user experience suffers. Rotten user experience.

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SysAdmin1138 Explains

JULY 21, 2023

This story begins in the previous decade when Google put forth the "Zero Trust framework" as a way to get rid of the corporate VPN. Zero Trust was a suite of techniques to allow companies to do away with the expensive and annoying to maintain VPN. If that wasn't enough, Phishing the VPN certificates would do the trick.

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4sysops

JANUARY 21, 2025

million systems, including VPN servers and routers, are… Read more According to a study conducted by Top10VPN in collaboration with researcher Mathy Vanhoef, many internet hosts do not verify the sender’s identity when accepting tunneling packets, posing a risk for hijacking and facilitating anonymous attacks.

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The Network DNA

NOVEMBER 26, 2024

NDNA-ASA(config-if)# nameif dmz NDNA-ASA(config-if)# security-level 70 NDNA-ASA(config-if)# no shut Configure static NAT to the DMZ server using a network object NDNA-ASA(config)# object network dmz-server NDNA-ASA(config-network-object)# host 10.10.2.3 10.10.10.100 inside NDNA-ASA(config)# dhcpd dns 112.110.112.5 255.255.255.0

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CATO Networks

AUGUST 5, 2020

The COVID-19 outbreak led to a surge in business VPN usage in an extremely short timeframe. In fact, multiple regions saw VPN usage rise over 200% in a matter of weeks. However, as they settle into the new normal, many enterprises are also learning that there are several VPN disadvantages as well. Lets find out.

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VPN SASE Internet Networking 52

CATO Networks

MAY 24, 2020

It is speculated that the attack on Travelex became possible because the company had failed to patch vulnerable VPN servers. The Cato Approach Here at Cato Networks, we have developed a solution to the security problem of unpatched VPN servers. We also address the shortcomings of VPNs.

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CATO Networks

NOVEMBER 21, 2021

Yet, the traditional network architecture (MPLS connectivity, VPN servers, etc.) When a branch office is down, users work from remote, connecting back via the Internet to the VPN in the data center. wasnt built with cloud services and remote users in mind. The same is true for cloud connections.

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CATO Networks

JANUARY 3, 2023

Historically, virtual private networks (VPNs) were the only available solution, and this familiarity has driven many organizations to expand their existing VPN infrastructure as the need for secure remote access has grown. While VPNs can protect against eavesdroppers, thats about all that they can do.

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DoorDash Engineering

NOVEMBER 29, 2022

As discussed in the previous section, our forward-looking payment processing vendors deployed their servers in on-premise data centers, instead of the cloud, to ensure that they have total control over data storage and transfer. Additionally, traffic in Direct Connect is not observable from the public Internet.

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The Network DNA

NOVEMBER 26, 2024

Cisco ASA is a security device that includes a firewall, antivirus, intrusion prevention, and a virtual private network (VPN). NDNA-ASA(config)# http server enable NDNA-ASA(config)# http 10.10.10.0 Cisco ASA Firewall in a Network What is Cisco ASA Firewall? How to check the show version command ? 255.255.255.0 inside Continue Reading.

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CATO Networks

AUGUST 31, 2020

VPN Vulnerabilities Jeopardize Remote Access Of course, some patches are more important than others. Last year CERT issued a warning about security vulnerabilities in various VPN devices that were storing session cookies improperly. If we eliminate the appliance architecture, we can eliminate the overhead and risk of patches.

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VPN Cookie SASE Networking 52

CATO Networks

JANUARY 18, 2023

Companies looking to provide secure remote access to their off-site employees have largely chosen to expand their existing virtual private network (VPN) deployments. VPNs are ill-suited to meeting modern business needs and will only become less so in the future. Moving Beyond the VPN A remote access VPN is a thing of the past.

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VPN SASE Encryption Digital Transformation 52

CATO Networks

DECEMBER 1, 2022

Why remote access should be a collaboration between network & security | Whitepaper Where Legacy Secure Remote Access Falls Short With a growing percentage of corporate workforces working on remote or hybrid schedules, a secure remote access VPN is essential. In many cases, companies are reliant on VPNs to provide this capability.

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CATO Networks

AUGUST 17, 2021

Source: Market Trends: How to Win as WAN Edge and Security Converge Into the Secure Access Service Edge, 29 July 2019, Joe Skorupa, Neil MacDonald VPN Virtual Private Network (VPN) solutions provide an encrypted link between a network and a remote user or network. DNS The Domain Name Service (DNS ) is the address book of the Internet.

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Akins IT

JUNE 5, 2019

front-end web server, application, database) and then segmented and secured using network security groups. The VNG acts as a public gateway for site-to-site connectivity using IPSEC VPN tunneling. The subnets provide network segmentation like that of an o n-prem infrastructure utilizing VLANs.

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CATO Networks

AUGUST 23, 2020

At the same time this unprecedented shift to remote work is occurring, businesses are realizing traditional enterprise remote access solutions, like Internet-based VPN, often arent capable of addressing all the needs of large-scale work from home. The client/server architecture of point solutions simply isnt scalable.

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CATO Networks

JANUARY 11, 2021

Many companies that already offered VPN services to a small group of remote workers scurried to extend those capabilities to the much larger workforce sequestering at home. With a VPN, all communication between the user and the VPN is encrypted. Stolen VPN credentials have been implicated in several high-profile data breaches.

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VPN SASE WAN Encryption 52

CATO Networks

JULY 29, 2015

An early approach was to use VPN connections into the enterprise. A user would authenticate to a VPN server (often part of the firewall) and than be allowed to access an internal resource like a file share or a mail server. How did enterprises deal with this issue?

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Kentik

DECEMBER 10, 2020

To facilitate the migration of our applications we split DNS into three tiers: Data center-based resolution from the cloud over VPN, to DC-hosted DNS resolvers. Reduction in DNS flow return to any of your DNS servers may indicate failure in routing paths. Cloud-based DNS for our partners and customers (SaaS DNS).

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The Network DNA

OCTOBER 8, 2024

The bodyguard is like a virtual private network (VPN) connection that encrypts (or protects) your internet traffic from all the other requests around it. Suppose that you are traveling on this road with a bodyguard to protect you. You are still using the same road as other customers, but with an extra layer of protection.

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CATO Networks

OCTOBER 4, 2020

The infrastructure needed to support these remote users, virtual private network (VPN) solutions, was built for the brave few and not for the masses. During the first wave of COVID-19, IT had to throw money and hardware at the problem, stacking up legacy VPN servers all over the world to catch up with the demand.

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CATO Networks

FEBRUARY 9, 2023

Shodan data indicates that many servers were initially hosted in the OVHcloud, but the blast radius appears to be constantly expanding. This is the first advisory of 2023, only proceeded by a Fortinet SSL-VPN issue which was announced in December 2022. The vCenter Server is the beating heart of a companys virtual infrastructure.

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CATO Networks

MARCH 1, 2024

If youre an administrator running Ivanti VPN (Connect Secure and Policy Secure) appliances in your network, then the past two months have likely made you wish you weren’t. In a relatively short timeframe bad news kept piling up for Ivanti Connect Secure VPN customers, starting on Jan. CVE-2024-21888: Privilege Escalation (CVSS 8.8)

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CATO Networks

OCTOBER 30, 2017

Pet Lovers had already connected and secured traffic between stores with an Internet-based, virtual private network (VPN). Routers at every store directed point-of-sale (POS) traffic across the IPsec VPN to firewalls in the company’s Singapore datacenter housing its POS servers.

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CATO Networks

MARCH 20, 2017

The POC was able to generate the so called Blue Screen of Death on Windows clients that connects into a compromised SMB server. Vulnerabilities in SMB servers should be treated very seriously. If attackers compromise an SMB server in the organization, they can exploit SMB vulnerabilities as part of wider lateral movement.

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